The bookseller's favorite - now in paperback. Henry wishes for nothing more than a dog. But then he stumbles upon a pile of leaves in the forest and can't believe his eyes: underneath lies a shaggy dwarf mammoth! Together with his best friends, he secretly brings the animal home - ready to do whatever it takes to save it. But how do you hide a mischievous mammoth when it prefers to munch on slippers for breakfast? And above all: what to do when it suddenly finds itself in danger?.